Category:Helix Labs bubble memory board for IBM XT PC

Media in category "Helix Labs bubble memory board for IBM XT PC"

The following 4 files are in this category, out of 4 total.

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  Helix Labs bubble memory board for IBM PC, circuit side (18633004583).jpg 4,326 × 1,670; 5.01 MB
  
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  Helix Labs bubble memory board for IBM PC, component side (19227474936).jpg 3,957 × 1,480; 3.73 MB
  
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  One Intel 7110A bubble memory chip and support components (19065955268) (cropped).jpg 1,680 × 1,680; 1.35 MB
  
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  One Intel 7110A bubble memory chip and support components (19065955268).jpg 3,865 × 2,402; 4.62 MB